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November 5, 2015 10:57 PM Gorgeous Auroras Could Light Up Entire Martian Sky

This artist's conception shows auroras visible on Mars caused by magnetic anomalies. Even brighter Martian auroras may light the sky in regions with no magnetic field at all. The first astronauts to set foot on Mars may be in for a spectacular sight — the entire night sky filled with glowing auroras. Researchers working on NASA's Mars Atmosphere and Volatile 44

November 5, 2015 9:21 PM Solar winds blamed for turning Mars into cold, barren place

Scientists have long puzzled over just how Mars went from a warm and wet environment to the cold and arid planet depicted in the movie “The Martian.” Data from NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) mission released Thursday show that solar winds over time appear to have stripped away the atmosphere that kept the Red Planet balmy - and that things 55

November 5, 2015 7:13 PM Mars Lost Atmosphere to Space as Life Took Hold on Earth

Artist’s illustration of a solar storm hitting Mars and stripping ions from the planet's upper atmosphere. The window for life to take root across broad stretches of the Martian surface may have closed shortly after the first microbes evolved on Earth. New results from NASA's MAVEN spacecraft suggest that the Red Planet lost most of its carbon dioxide-dominated 49 19

November 4, 2015 9:08 PM Meet Jenean Hampton, First Black Statewide Officeholder in Kentucky

Tuesday was a historic night for the state of Kentucky. Voters elected the first African-American to statewide office, making Jenean Hampton Kentucky's new lieutenant governor. Hampton, who ran as the now Governor-elect Matt Bevin's running mate, is an outspoken tea party supporter, making her a rare find among her white counterparts. She's also a newcomer 46

November 4, 2015 7:07 PM Got the Right Stuff? NASA Is Recruiting New Astronauts

Astronaut Joseph R. Tanner, STS-115 mission specialist, waves at the camera during a space walk. NASA will be seeking applications for astronauts starting in December. Calling all aspiring astronauts: NASA announced today (Nov. 4) that it will be accepting applications starting in December for its next round of astronaut training. Currently, there are 47 active 52

November 3, 2015 11:38 PM No, NASA has not reversed itself on the dangerous melting of Antarctica

Many of the scientific studies published in the past two years on the stability of the Antarctic ice sheet can best be characterized as anxiety-inducing, if not outright panic-causing. Studies have shown that huge chunks of the continent may be far more unstable than previously thought, and more susceptible to melting from manmade climate change and other 109

November 3, 2015 7:31 PM This Gas Exoplanet Is Evaporating To Reveal A Rocky Core

The miniature world -- some 30 light-years from Earth -- could have exotic features like diamond rain and scorching hot oceans. Inside of gas giant planets -- such as our solar system's very own Neptune and Uranus -- lie secret, miniature worlds. We've never been able to catch a glimpse of a gas planet's core because of the opaque clouds of gas that tend to hide them. That is, until 54

November 3, 2015 6:50 PM Antarctica is gaining ice, NASA study says

A NASA team came to this conclusion after scientists examined the heights of the region's ice sheet measured from satellites. The new methods used by scientists to come to this study's conclusion, such as measuring small height changes in the ice over large areas, warrant consideration. But the findings do conflict with more than a decade of research 47

October 31, 2015 7:07 PM Skull asteroid passes Earth on Halloween

Object will be visible to those with good telescopes It's as if the universe itself was trying to get into the Halloween spirit. A large space rock resembling a skull narrowly missed Earth shortly after 1 p.m. ET Saturday. NASA says asteroid 2015 TB145 is a "dead" comet that once spewed debris across the solar system. In NASA terminology, that means 46

October 30, 2015 5:25 PM The icy world of Saturn's moon Enceladus comes into view

NASA has released the latest images of Saturn’s moon Enceladus taken by the Cassini spacecraft during its close flyby Wednesday, which suggest that this is one cold place. The images were taken when the probe passed about 30 miles above the moon's south polar region. The spacecraft will continue transmitting data from the encounter for the next several 54